This is the first eGo-style temperature control device made by Joyetech-eGo ONE VT kit. It comes with a 2300mah eGo ONE VT battery and 4.0ml eGo ONE Mega atomizer. This kit is not only able to shift between VT and VW mode, it also has e different levels of output and temperature level for option. To explore a new vaping style with eGo ONE VT kit.